Nylon Apron Block Skirt Piece - Chinaprice: contact company for price
1, Density method: check the density of all kinds of plastic, with liquid medium, test its ups and downs in the plastic in liquid medium, to discern rough plastic categories, such as a piece of plastic on the water, float on the surface of the water can be concluded that the raw material is not PVC (due to the density of PVC > 1).
2, Burning method: mainly examines the color of the flame and burning smell and smoke, in general, the raw material of polyolefins combustion flame is blue or light blue, mild smell and light, with a white smoke, whereas most of the raw material with benzene or chlorine after burning smoke, strong smell. In addition, such as PE, PP dripping phenomenon, and PVC, etc, no burning, but have self-extinguishing phenomenon.
3, Optical method: mainly examines the transparency of raw material, usually used transparent materials: PS, PC, PMMA, AS; Translucent material: PE, random copolymerized PP, homopolymerization, transparent ABS, PP, soft PVC other largely opaque materials.
4, Color distinguishing method: generally speaking, do not add fertilizer raw material, if itself contains double bond, the color will show slightly yellow, such as ABS, with butadiene copolymer, polymer after polymerization still contain a double bond, so will show slightly yellow.
- Phone: 00865372351381
- Address: No.69 Huoju Road, New & High Zone,Jining City,Shan, Jining, China
- Website: http://chinacoalintl.com/
Published date: October 5, 2013 -
- Business Description: involved in international trade import export of goods, products, and services
Methane Gas Hole Sealing BagChemicals - Shandong China Coal Industry & Mining Group Co.,L - China - October 5, 2013 - contact company for price
Methane Gas Hole Sealing Bag Introduction Gas hole sealing bag is on the technology of grouting hole sealing agent process simplified and improved.Structure of conjoined bursa bag, marithan bi-component chemical macromolecular materials to prefabrica...
Selling Activated AluminaChemicals - Yuanying Industry Limited - China - October 3, 2013 - contact company for price
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Selling 3a Molecular SieveChemicals - Yuanying Industry Limited - China - October 3, 2013 - contact company for price
Molecular sieve also called zeolite, is a crystalline aluminum silicate. Its crystal structure has neat and uniform channel, aperture around a molecular level, molecular sieve only allows smaller diameter than its aperture into it, so it can sieve mo...
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